45112171 has 4 divisors (see below), whose sum is σ = 48582352. Its totient is φ = 41641992.

The previous prime is 45112159. The next prime is 45112183. The reversal of 45112171 is 17121154.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (45112159) and next prime (45112183).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45112171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45112141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735071 + ... + 1735096.

It is an arithmetic number, because the mean of its divisors is an integer number (12145588).

Almost surely, 2^45112171 is an apocalyptic number.

45112171 is a deficient number, since it is larger than the sum of its proper divisors (3470181).

45112171 is a wasteful number, since it uses less digits than its factorization.

45112171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470180.

The product of its digits is 280, while the sum is 22.

The square root of 45112171 is about 6716.5594615100. The cubic root of 45112171 is about 355.9846261719.

The spelling of 45112171 in words is "forty-five million, one hundred twelve thousand, one hundred seventy-one".